"""Learning domain Pydantic schemas."""

from datetime import datetime
from uuid import UUID

from pydantic import BaseModel, Field


class TradeOutcomeSchema(BaseModel):
    """Represents the evaluated outcome of a closed trade."""

    trade_id: UUID
    hold_duration_seconds: float = Field(ge=0)
    realized_pnl: float
    roi_pct: float
    was_profitable: bool

    model_config = {"from_attributes": True}


class WeightAdjustment(BaseModel):
    """Represents a strategy weight change made by the learning engine."""

    strategy_id: UUID
    strategy_name: str
    old_weight: float
    new_weight: float
    reason: str
    reward_signal: float
    timestamp: datetime

    model_config = {"from_attributes": True}